Reland of [heap] Simplify distribution of remaining memory during sweeping & compaction

Reland of [heap] Simplify distribution of remaining memory during sweeping & compaction (patchset #1 id:1 of https://codereview.chromium.org/1661723003/ )

Reason for revert:
Bisection results show that this was not the culprit.

Original issue's description:
> Revert of [heap] Simplify distribution of remaining memory during sweeping & compaction (patchset #2 id:80001 of https://codereview.chromium.org/1653973003/ )
>
> Reason for revert:
> Very likely blocking roll: https://codereview.chromium.org/1652413003/
>
> Original issue's description:
> > [heap] Simplify distribution of remaining memory during sweeping & compaction
> >
> > BUG=chromium:524425
> > LOG=N
> >
> > Committed: https://crrev.com/f72923526ccaa8faef5c977267b0c074c4a44dfa
> > Cr-Commit-Position: refs/heads/master@{#33668}
>
> TBR=hpayer@chromium.org,mlippautz@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:524425
>
> Committed: https://crrev.com/a9441b0e7a2a56c2047482a3cc66e3ca2255444b
> Cr-Commit-Position: refs/heads/master@{#33695}

TBR=hpayer@chromium.org,mlippautz@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:524425
Committed: https://crrev.com/86dd673c2c52884748c120b593d8d1c729fa3268
Cr-Commit-Position: refs/heads/master@{#33696}

[Michael Hablich, 2016-02-03 09:43:46]

Created Reland of [heap] Simplify distribution of remaining memory during
sweeping & compaction

[commit-bot: I haz the power, 2016-02-03 09:43:56]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1663013002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1663013002/1

[commit-bot: I haz the power, 2016-02-03 09:44:09]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-03 09:44:26]

Description was changed from

==========
Reland of [heap] Simplify distribution of remaining memory during sweeping &
compaction (patchset #1 id:1 of https://codereview.chromium.org/1661723003/ )

Reason for revert:
Bisection results show that this was not the culprit.

Original issue's description:
> Revert of [heap] Simplify distribution of remaining memory during sweeping &
compaction (patchset #2 id:80001 of https://codereview.chromium.org/1653973003/
)
> 
> Reason for revert:
> Very likely blocking roll: https://codereview.chromium.org/1652413003/
> 
> Original issue's description:
> > [heap] Simplify distribution of remaining memory during sweeping &
compaction
> >
> > BUG=chromium:524425
> > LOG=N
> >
> > Committed: https://crrev.com/f72923526ccaa8faef5c977267b0c074c4a44dfa
> > Cr-Commit-Position: refs/heads/master@{#33668}
> 
> TBR=hpayer@chromium.org,mlippautz@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:524425
> 
> Committed: https://crrev.com/a9441b0e7a2a56c2047482a3cc66e3ca2255444b
> Cr-Commit-Position: refs/heads/master@{#33695}

TBR=hpayer@chromium.org,mlippautz@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:524425
==========

to

==========
Reland of [heap] Simplify distribution of remaining memory during sweeping &
compaction (patchset #1 id:1 of https://codereview.chromium.org/1661723003/ )

Reason for revert:
Bisection results show that this was not the culprit.

Original issue's description:
> Revert of [heap] Simplify distribution of remaining memory during sweeping &
compaction (patchset #2 id:80001 of https://codereview.chromium.org/1653973003/
)
>
> Reason for revert:
> Very likely blocking roll: https://codereview.chromium.org/1652413003/
>
> Original issue's description:
> > [heap] Simplify distribution of remaining memory during sweeping &
compaction
> >
> > BUG=chromium:524425
> > LOG=N
> >
> > Committed: https://crrev.com/f72923526ccaa8faef5c977267b0c074c4a44dfa
> > Cr-Commit-Position: refs/heads/master@{#33668}
>
> TBR=hpayer@chromium.org,mlippautz@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:524425
>
> Committed: https://crrev.com/a9441b0e7a2a56c2047482a3cc66e3ca2255444b
> Cr-Commit-Position: refs/heads/master@{#33695}

TBR=hpayer@chromium.org,mlippautz@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:524425

Committed: https://crrev.com/86dd673c2c52884748c120b593d8d1c729fa3268
Cr-Commit-Position: refs/heads/master@{#33696}
==========

[commit-bot: I haz the power, 2016-02-03 09:44:27]

Patchset 1 (id:??) landed as
https://crrev.com/86dd673c2c52884748c120b593d8d1c729fa3268
Cr-Commit-Position: refs/heads/master@{#33696}